Action Yes No
Step 2
a Depending on your operating system, specify the paper type
from the Printing Preferences or Print dialog.
Notes:
• Make sure that the setting matches the paper loaded.
• You can also change the setting on the printer control
panel. From the home screen, touch Settings > Paper >
Tray Configuration > Paper Size/Type.
b Print the document.
Do vertical white lines appear on prints?
Contact
customer
support.
The problem is
solved.
Vertical dark bands
Note: Before solving the problem, print the Print Quality Test Pages. From the home screen, touch Settings >
Troubleshooting > Print Quality Test Pages.
Action Yes No
Step 1
a Check if the printer is using a genuine and supported Lexmark
toner cartridge.
Note: If the toner cartridge is not supported, then install a
supported one.
b Print the document.
Do vertical dark bands appear on prints?
Go to step 2. The problem is
solved.
Step 2
a Remove the printhead wiper, and then clean the printhead lens.
b Print the document.
Do vertical dark bands appear on prints?
Go to step 3. The problem is
solved.
Troubleshoot a problem 201
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